Home / 119,589.03-165,040.32-65,874.02

Finding the Fourth Proportional to 119,589.03, 165,040.32 and 65,874.02

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Solution

The fourth proportional to 119,589.03, 165,040.32 and 65,874.02 is: 90,910.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,589.03 : 165,040.32 = 65,874.02 : x
  2. Step 2: Convert to fraction form
    119,589.03/165,040.32 = 65,874.02/x
  3. Step 3: Cross multiply
    119,589.03x = 165,040.32 × 65,874.02
  4. Step 4: Simplify right side
    119,589.03x = 10,871,868,515.28
  5. Step 5: Solve for x
    x = 10,871,868,515.28/119,589.03
  6. Step 6: Final answer
    x = 90,910.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.